import AWS from 'aws-sdk';
export declare const getStepExitedEvent: (events: AWS.StepFunctions.HistoryEvent[], lastStepEvent: AWS.StepFunctions.HistoryEvent) => AWS.StepFunctions.HistoryEvent | undefined;
export declare const getTaskExitedEventOutput: (event: AWS.StepFunctions.HistoryEvent) => string | undefined;
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